<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>SignInAndSignUp</title>
</head>
<body style="text-align: center">
  <form action="/employee" method="post">
      <input type="hidden" name="action" value="SignIn">
      <input type="text" name="id" placeholder="id" required><br>
      <input type="password" name="password" placeholder="PASSWORD" required><br>
      <input type="submit" value="SignIn">
      <a href="SignUp.jsp">SignUp</a>
  </form>
  <p style="color: green">
      <%
          String message = (String) session.getAttribute("message");
          if (message != null){
              out.println(message);
          }
      %>
  </p>
  <p style="color: red">
      <%
          String error = (String) session.getAttribute("error");
          if (error != null){
              out.println(error);
          }
      %>
  </p>
</body>
</html>